respect there more than two weeks after the gunfire. >>> whereisjimmyhoffa? wehave been asking that question for almost 40 years. now, investigators some new information that's leading them to a home in suburban detroit. >>> and it's one of the most famous paintings in the whole world. now, the mona lisa might have a twin. a new group claims da vinci created another version of mona. newsroom starts now. >>> good morning to you, thank you so much for joining us. i'm carol costello. >>> nfl fans along national night nair is finally over, the regular referees coming back on the field, starting with tonight's browns/ravens game. the tipping point to reach a deal between the league and the refs may have indeed been that botched call at the end of monday night's football game. cnn's jason carle is outside the nfl's offices. good morning, jason. >> reporter: and good morning to you. that call on monday night set all things in motion, 17 hours of negotiation going on in tuesday, more negotiating going on until midnight last night, about when both sides came to this agreement, made the

driveway in the searchforjimmyhoffa. >>>good thursday morning, everybody. we begin with the big, breaking news. the nfl and its referees have struck a deal, ending that lockout that put substitute refs in the game. >> now, the two sides finally settled after a controversial play turned the labor dispute into a national punch line. we begin with abc's tahman bradley. >> a deal is done. >> reporter: regular nfl officials return to work tonight, after their union and the league reached a tentative agreement to end the lockout that began in june. >> the replacement officials will be replaced. >> reporter: the officials union still needs to approve the eight-year deal. but the nfl commissioner lifted the lockout so the regular refs can call tonight's browns/ravens games in baltimore. in a statement, roger goodell said, we look forward to having the finest officials back on the field. and i want to give a special thanks to nfl fans for their passion. now, it's time to put the focus on the teams and players where it belongs. this end to monday night's packers/seahawks game. two replace

ofjimmyhoffa's body.they will take soil samples from the ground beneath a driveway after a man told them he believes he witnessed hoffa's burial 35 years ago. there have been a number of searches for hoffa since the teamster leader disappeared in 1975. an enduring mystery there. wow. >>> what has four wheels and fleas? well, take a look at this. dogs competing in stroller races in a california backyard. other dogs are their hapless passengers. the four canines live with the same california family. >> they need more maneuverable strollers there. but that's not all they can do. this talented crew, races on scooters and kiddie cars with more crashes than bumpers car. their owner says they're all total clowns and having fun. look at those wagging tails. you can see, the proof is in the pudding. >> that is cute video. >>> all right. coming up next, she made magic and millions, almost a billion from the harry potter series for kids. but now will j.k. rowling reel in their parents. we'll hear from the author as she prepares to release her first book for adults. >>> also coming up, a food fight